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Product information

Features: H55M-USB3 – Intel® LGA1156, Intel® H55, 2 x DIMM DDR3, 1 x PCIe 2.0 x16, 1 x PCIe 2.0 x4, 2 x PCI, DVI-D, HDMI, D -Sub, 6xSATA 3.0 Gb/s, Gigabit LAN.

Product: Gigabyte GA-H55M-USB3
Category: Motherboards
Brand: Gigabyte
EAN: 4719331852146

Note: This is a used motherboard updated with the latest BIOS version, the product warranty period is 90 days.

package content:
– Motherboard
– Backplate (Blende)
– No manual
– No driver CD
– No cables

Support for an Intel® Core™ i7 series processor/Intel® Core™ i5 series processor/ Intel® Core™ i3 series processor in the LGA1156 package (Go to GIGABYTE’s website for the latest CPU support list.)
L3 cache varies with CPU

Intel® H55 Express Chipset

4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
Dual channel memory architecture
Support for DDR3 2200+/1800/1600/1333/1066/800 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Profile (XMP) memory modules
* To reach DDR3 2200 MHz and above, you are required to use with Intel Core i7/Core i5 CPU without HD Graphics and install a discrete graphics card.
When using Intel Core i5/Core i3/ Pentium CPU with HD Graphics, the maximum memory speed supported is 1666 MHz
* Please refer “Memory Support List” for more information.

Onboard Graphics
Integrated in the Chipset:
1 x D-Sub port (Note 2)
1 x DVI-D port (Note 2) (Note 3) (Note 4)
1 x HDMI port(Note 2) (Note 4)
1 x DisplayPort (Note 2) (Note 4)

Realtek ALC889 codec
High Definition Audio
2/4/5.1/7.1 channel
Support for S/PDIF In/Out
Support for CD In

1 x Realtek RTL8111D/8111E chip (10/100/1000 Mbit)

Expansion Slots
*1 x PCI Express x16 slot, running at x16 (PCIEX16) (Note 5)
(The PCIEX16 slot conforms to PCI Express 2.0 standard.)
*1 x PCI Express x16 slot, running at x4 (PCIEX4) (Note 6)
2 x PCI slots

Multi-Graphics Technology
Support for ATI CrossFireX™ ​​technology(Note 6)

Storage Interface
Chip set:
5 x SATA 3Gb/s connectors supporting up to 5 SATA 3Gb/s devices
1 x eSATA 3Gb/s connector on the back panel supporting up to 1 SATA 3Gb/s device
JMicron JMB368 chip:
1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
iTE IT8720 chip:
1 x floppy disk drive connector supporting up to 1 floppy disk drive

Up to 12 USB 2.0/1.1 ports (6 on the back panel (Note 7), 6 via the USB brackets connected to the internal USB headers)
NEC D720200F1 chip:
Up to 2 USB 3.0 ports on the back panel

IEEE 1394
T.I. TSB43AB23 chip
Up to 2 IEEE 1394a ports (1 on the back panel, 1 via the IEEE 1394a bracket connected to the internal IEEE 1394a header)

Internal I/O Connectors
1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
1 x floppy disk drive connector
1 x IDE connector
5 x SATA 3Gb/s connectors
1 x CPU fan header
1 x system fan headers
1 x front panel header
1 x Front Panel Audio Header
1 x CD In connector
1 x S/PDIF In header
1 x S/PDIF Out header
3 x USB 2.0/1.1 headers
1 x IEEE 1394a header
1 x serial port header
1 x Clearing CMOS Jumper

Back Panel Connectors
1 x PS/2 keyboard or PS/2 mouse port
1 x D-Sub port (Note 2)
1 x DVI-D port (Note 2) (Note 3) (Note 4)
1 x optical S/PDIF Out connector
1 x HDMI port (Note 2) (Note 4)
1 x DisplayPort (Note 2) (Note 4)
6 x USB 2.0/1.1 ports (Note 7)
2 x USB 3.0 ports
1 x IEEE 1394a port
1 x eSATA 3Gb/s connector
1 x RJ-45 port
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side Speaker Out/Line In/Line Out/Microphone)

I/O Controller
iTE IT8720 chip

H/W Monitoring
System voltage detection
CPU/System temperature detection
CPU/System/Power fan speed detection
CPU overheating warning
CPU/System/Power fan fail warning
CPU/System fan speed control (Note 7)

2 x 64 Mbit flash
Use of licensed AWARD BIOS
Support for DualBIOS™
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

Unique Features
Support for @BIOS
Support for Q-Flash
Support for Xpress BIOS Rescue
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune
Support for Dynamic Energy Saver™ 2
Support for Smart 6™
Support for Auto Green
Support for ON/OFF Charge
Support for Q-Share

Operating System
Support for Microsoft® Windows 7/Vista/XP

Form Factor
MicroATX Form Factor; 24.4cm x 24.4cm


(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.

(Note 2) To use the onboard D-Sub, DVI-D, HDMI, and DisplayPort ports, you must install an Intel CPU with integrated graphics.

(Note 3) The DVI-D port does not support D-Sub connection by adapter.

(Note 4) You can use only one of the onboard digital graphics ports (e.g. DisplayPort, HDMI, and DVI-D) for output when in the BIOS Setup program or when during the POST screens.

(Note 5) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.

(Note 6) The PCIEX16 slot operates at up to x4 mode when ATI CrossFireX™ is enabled.

(Note 7) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.

(Note 8) Available functions in EasyTune may differ by motherboard model.


Weight 1 kg





Intel H55

Form Factor


Memory Type


Number of memory slots


Maximum memory size

8 GB


D-Sub (VGA), Displayport, DVI-D, eSATA, Ethernet (RJ-45), HDMI, IEEE 1394 Port, USB, USB 3.0

Storage Interfaces

eSATA, Floppy Disk Connector, IDE ATA-133, Serial ATA-300


PCI, PCI-e x16, PCI-e x4





24.4 cm


23 cm

package content

Motherboard and Backplate (Blende)

Gigabyte H55M-USB3 LGA1156 moederbord

Fast delivery

Brand: Gigabyte
Model: H55M-USB3
Socket: LGA1156
Chipset: Intel H55
Memory: 4x DDR3 (16GB Max)
Form Factor: Micro-ATX
EAN: 4719331852146

SKU: GA-H55M-USB3 Categories: , , Tags: , ,

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